Display device



FIG. 1 is a perspective view from the front of the display device;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a top view thereof.

In each figure the broken line drawing of a flag is for illustration purposes and forms no part of the claimed design. 

The ornamental design for a display device, as shown and described. 